254541564631 has 2 divisors, whose sum is σ = 254541564632. Its totient is φ = 254541564630.

The previous prime is 254541564619. The next prime is 254541564679. The reversal of 254541564631 is 136465145452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254541564631 - 2²⁷ = 254407346903 is a prime.

It is a super-2 number, since 2×254541564631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254541564601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127270782315 + 127270782316.

It is an arithmetic number, because the mean of its divisors is an integer number (127270782316).

Almost surely, 2^254541564631 is an apocalyptic number.

254541564631 is a deficient number, since it is larger than the sum of its proper divisors (1).

254541564631 is an equidigital number, since it uses as much as digits as its factorization.

254541564631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728000, while the sum is 46.

The spelling of 254541564631 in words is "two hundred fifty-four billion, five hundred forty-one million, five hundred sixty-four thousand, six hundred thirty-one".